My cat program

cat.c

/*
 * =====================================================================================
 *
 *       Filename:  cat.c
 *
 *    Description:  My cat program
 *
 *        Version:  1.0
 *        Created:  25-04-2013 13:58:45
 *       Compiler:  gcc
 *
 *         Author:  Halit Alptekin, info@halitalptekin.com
 *
 * =====================================================================================
 */

#include <stdio.h>
#include <stdlib.h>

int main(int argc, char *argv[])
{
    FILE *ip;
    char *fname = argv[0];
    void copyFile(FILE *, FILE *);

    if(argc == 1){
        copyFile(stdin, stdout);
    }else{
        while(--argc > 1){
            if((ip = fopen(*++argv, "r")) != NULL){
                copyFile(ip, stdout);
                fclose(ip);
            }else{
                fprintf(stderr, "%s: dosya acilamadi %s\n",fname, *argv);
                exit(1);
            }
        }
    }
    if(ferror(stdout)){
        fprintf(stderr, "%s: standart cikis hatasi\n", fname);
        exit(2);
    }
    return 0;
}

void copyFile(FILE *ifp, FILE *ofp){
    int c;
    while((c = fgetc(ifp)) != EOF) fputc(c, ofp);
}